Home / 15,724.32-23,591.88-10,188.24

Finding the Fourth Proportional to 15,724.32, 23,591.88 and 10,188.24

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Solution

The fourth proportional to 15,724.32, 23,591.88 and 10,188.24 is: 15,285.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,724.32 : 23,591.88 = 10,188.24 : x
  2. Step 2: Convert to fraction form
    15,724.32/23,591.88 = 10,188.24/x
  3. Step 3: Cross multiply
    15,724.32x = 23,591.88 × 10,188.24
  4. Step 4: Simplify right side
    15,724.32x = 240,359,735.49
  5. Step 5: Solve for x
    x = 240,359,735.49/15,724.32
  6. Step 6: Final answer
    x = 15,285.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.